// 全局样式
.wid{
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}


.flex-btn {
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.flex-btn {
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.flex-alc {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
